An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5895-01-187-1779
NSN 5935-01-352-1942
NSN 6685-01-270-2303
NSN 5990-00-466-2952
NSN 5998-01-362-5182
NSN 7035-01-152-7331
NSN 5910-01-064-4080
NSN 5999-01-288-3988
NSN 5920-01-296-0577
NSN 6145-00-163-9282
NSN 5990-01-546-1649
NSN 5915-01-187-1699